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Recent increases in tuberculosis in the UK reflect a global problem
| The first 150 words of the full text of this article appear below. |
Last year in England and Wales 235 schoolchildren
aged 5-14 were notified with tuberculosis. Most will not have been
infectious
for example, those with tuberculous lymphadenitis
but some
of the 148 children with pulmonary tuberculosis will have been smear positive and potential sources of infection. For each of these children
local tuberculosis services will have searched for linked cases by
screening household members and other close contacts, including those
at school.1
Evidence of transmission of infection from a child index case in a
school to other children is not often found1
but
outbreaks in schools do occur. Although adults, usually staff, are
often the source of infection, schoolchildren have also been
reported.2-6 The essential element in these outbreaks is
an infectious patient whose illness may have been undiagnosed for a
long period. Local environmental circumstances and the opportunity to
expose many people also contribute to the scale of an outbreak.
What therefore should
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